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SHA (安全Hash算法)是一种单向散列算法，可用于数字加密或数字签名，是比MD5更加安全的单向散列算法，与MD5算法一起时被应用最广泛的两种算法。(SHA (secure Hash algorithm) is a one-way hash algorithm, can be used for digital encryption or digital signature is more secure than the MD5 one-way hash algorithm, in conjunction with the MD5 algorithm was the most widely used two algorithms.)

关于数字水印嵌入时处理水印的源代码，采用猫脸变换对水印图像进行预处理 -Be dealt with on the digital watermark embedding watermark source code, using a cat face on the watermark image pre-processing transformation

CRC算法与C语言

RSA算法的Java实现，可作为学习公钥体制加密算法的参考资料-Java realization of RSA algorithm can be used as learning the public key encryption algorithm system reference

TEA算法的python实现，TEA是腾讯QQ用到的加密算法，很有价值，呵呵(Realization the TEA algorithm of python, TEA encryption algorithm used in Tencent QQ, valuable, Oh)

basic_hook_cr0,一个hook cro寄存器源代码，有很重要的参考价值-basic_hook_cr0, a hook tis Register source code, a very important reference value

基于 xinlinx 写的DES加密算法，内涵test bench，加密解密都有(Xinlinx written based on the DES encryption algorithm, meaning test bench, both encryption and decryption)

128位的AES加密算法、可以在FPGA上实现。利用硬件描述语言Verilog实现。各个模块都有，行变换、列混淆、轮密钥加变换、密钥扩展，并且有说明文档PDPF格式的。有完整的测试程序Testbench。特别适合研究AES加密算法的爱好者。

椭圆曲线算法改装- The elliptic curve algorithm reequips

密钥通信源码，程序结合易语言数据操作支持库和多线程支持库，实现数据通信的加密。(Key communication source code, the program combines easy data manipulation language support libraries and multi-threading support library, encryption of data communications.)